1. (anatomy and zoology) an opening; a passage

Derived forms: ostia

Encyclopedia: Ostium

• Douglass
• doula
• dour
• doura
• dourah
• dourly
• douroucouli
• douse
• dousing
• dout
• dove
• dove's foot geranium
• dovecot
• dovecote
• dovekie
• Dover
• Dover's powder
• dovetail
• dovetail joint
• dovetail plane
• dovish
• dovishness
• Dovyalis
• Dovyalis caffra
• Dovyalis hebecarpa